19800177

素因数分解:

$3^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1\times {\mathrm{401}}^1$

素因数の和:664

約数の個数: 16

約数和(自身を含む): 26885760

約数和(自身を除く): 7085583

約数列:

[1, 3, 109, 151, 327, 401, 453, 1203, 16459, 43709, 49377, 60551, 131127, 181653, 6600059, 19800177]

約数ペア:

[(1, 19800177), (3, 6600059), (109, 181653), (151, 131127), (327, 60551), (401, 49377), (453, 43709), (1203, 16459)]